Round Bottom Three-Angled-Neck Borosilicate Glass Distillation Flask Graduations_0.5ml Adjustable flash-frequency control across this

Adjustable flash-frequency control across this improved stroboscope lets students isolate periodic motion from rotating machinery

this set covers the mid-range bench volumes with raised graduations and tapered pouring spouts

Reveals Earth's internal structure through a seven-piece cross-sectional globe whose crust

Glass tube 33 inches long with a cork piston riding on a stable wooden base

Sixteen-and-a-half-inch wooden inclined plane with a paired cart

Round Bottom Three-Angled-Neck Borosilicate Glass Distillation Flask Graduations_0.5ml Adjustable flash-frequency control across thisThree outward angled necks spread apparatus connections for clearance during complex distillation setups, reducing collisions between condensers and stoppers.